Huawei ECC500 User Manual page 28

ECC500
User Manual
(1) COM1 port
(4) COM4/12V port
Table 3-6
Table 3-6 Description of indicators on the front panel of the RS485 communication card
Silk Screen
PWR
RUN
ALM
COM4/12V
COM5/12V
Table 3-7
Issue 04 (2019-12-20)
describes indicators on the front panel of the RS485 communication card.
Color
Green
Green
Red
Green
describes ports on the front panel of the RS485 communication card.
Copyright © Huawei Technologies Co., Ltd.
(2) COM2 port
(5) COM5/12V port
Meaning
Power indicator Steady on
Run indicator
Alarm indicator
Port power
output indicator
3 Configurations and Port
(3) COM3 port
(6) Indicators
Status Description
The power
supply is
normal.
Off The RS485
communication
card is faulty or
has no DC
input.
Blinking (1 The RS485
second on and 1 communication
second off) card is
communicating
with the main
control module
properly.
Blinking (0.125 The RS485
second on and communication
0.125 second card fails to
off) communicate
with the main
control module.
Off No alarm is
generated.
Steady on A board alarm is
generated.
Steady on The port
properly
provides the 12
V DC output.
Off The port
provides no 12
V DC output.
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